1222003130220 has 72 divisors (see below), whose sum is σ = 3710537367264. Its totient is φ = 325533915648.

The previous prime is 1222003130191. The next prime is 1222003130239. The reversal of 1222003130220 is 220313002221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1222003130193 and 1222003130202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3298504 + ... + 3650223.

It is an arithmetic number, because the mean of its divisors is an integer number (51535241212).

Almost surely, 2^{1222003130220} is an apocalyptic number.

1222003130220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222003130220 is an abundant number, since it is smaller than the sum of its proper divisors (2488534237044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222003130220 is a wasteful number, since it uses less digits than its factorization.

1222003130220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6949719 (or 6949714 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1222003130220 its reverse (220313002221), we get a palindrome (1442316132441).

The spelling of 1222003130220 in words is "one trillion, two hundred twenty-two billion, three million, one hundred thirty thousand, two hundred twenty".